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What is the difference between Requests/Sec counter under ASP.NET Applications and Concurrent Requests under ASP.NET?  More importantly, which one should I pay more attention to
I am trying to performance test some new application framework changes, but the Requests/Sec are low ...

I ngen'd an assembly, but I observed that the native image gets invalid if
the system time of the machine is not correct (e.g. the bios battery is
empty).
I didn't find any indication on the msdn site that time is an issue for an

I am working on a asp.net (C# 2003) solution which contains 4 projects.  IIS
and SQL Server are both on the same development machine and I am not using
any remote debugging.  But since yesterday rebuilding solution started
taking 2 minutes instead of 5 seconds!

Hi, I'm writing vb.net form to access data from database. When I load this form each time, it increases memory usage. I have already dispose objects when the form is unload. However, it cannot clear all used memory. Finally, the program is crash. Here is my code. How can I solve ...

I'm trying to determine if our application has a memory problem. We
have had a situation where a production server wasn't configured
properly (.NET Framework 1.0 Service Pack 2 wasn't installed and there
was 512MB physical RAM on the server).  The customer noticed that the

I have created a webservice deployed on a Windows 2003 server machine
Sql Server 2000 is also on the machine
I have tested with a given number of inserts into the database using the SqlConnection and related objects
I have also tested doing the same inserts with a legacy dll (delphi ...

This is a design / inheritance qus.
I have class Task.
This is a base class for some specific tasks
Say

I want to get the list of active/running processes on some remote machines
in the same LAN my application run.
I always get a System.InvalidOperationExpection exception with the message
of "Couldn't get process information from remote machine".

I was going to post this as a response to an answer for another one of my questions on "" vs string.Empty, but figured it would be fine as its own thread.  I have been getting more familiar with looking at the IL dump of my DLLs to analyze how different code options work.  It ...

This might not be a error but I'm asking anyway.
I got a service that handles transactions and I'd like to create a
performance-counter showing the total average time for one transaction.
I've created two performance counters (AverageTimer32 , AverageBase) and

Hi, I've been getting some poor performance out of an
asynchronous IO socket server, so I put up a form that
polls the available worker threads in the thread pool and
it never seems to leave 25.  I'm polling 2 times a

We appear to have identified a memory leak in the .NET Framework using a service running on Windows 2000 platforms
Using the .NET Development Environment we have created a standard C# Windows Service and added a FileSystemWatcher and a Timer object. When the timer fires (every ...

I noticed a very weird behavor with the collection class.
With exactly the same code, filling a collection takes usually around 4
seconds, but sometimes, it takes 60s ! for absolutely no apparent reasons.
I've tried this on a bunch of computers, everytime, I notice the same

Good day.
Can anyone recommend some good tools for Web Application Testing?
I am using Visual Studio .Net 2003 and has written a web application for an
online ticketing system.

How does the DataView.Sort method really work under the covers?
I know that it sorts a dataview, but what kind of sorting algorhythm is
actually used?
Thanks.